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NFS: Read requests can use GFP_KERNEL. 

There is no danger of deadlock should the allocation trigger page
writeback.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
wifi-calibration
Trond Myklebust 2010-05-13 12:51:03 -04:00
parent 18eb884282
commit 93870d76fe
1 changed files with 2 additions and 2 deletions
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4
fs/nfs/read.c
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@ -40,7 +40,7 @@ static mempool_t *nfs_rdata_mempool;
struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount)
{
struct nfs_read_data *p = mempool_alloc(nfs_rdata_mempool, GFP_NOFS);
struct nfs_read_data *p = mempool_alloc(nfs_rdata_mempool, GFP_KERNEL);
if (p) {
memset(p, 0, sizeof(*p));
@ -50,7 +50,7 @@ struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount)
if (pagecount <= ARRAY_SIZE(p->page_array))
p->pagevec = p->page_array;
else {
p->pagevec = kcalloc(pagecount, sizeof(struct page *), GFP_NOFS);
p->pagevec = kcalloc(pagecount, sizeof(struct page *), GFP_KERNEL);
if (!p->pagevec) {
mempool_free(p, nfs_rdata_mempool);
p = NULL;